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问题 单项选择题

某人在山上采得一些荆芥，拿回家后水洗以后放在太阳下暴晒，之后取回存放以备药用，在用其治病时，效果不理想。

挥发油的相对密度一般在什么范围内（）

A.0.81～1.061

B.0.83～1.072

C.0.88～1.084

D.0.86～1.059

E.0.85～1.065

答案

参考答案：E

选择题
设F1、F2是椭圆
x2 
a2 
+
y2 
b2 
=1(a＞b＞0)的左、右焦点，P为椭圆短轴的一个端点，且△F1PF2为正三角形，则该椭圆的离心率为（　　）
A．
3
3
B．
2
2
C．
1
3
D．
1
2
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问答题

Thapelo is a computer technician. He has worked for several years at a leading IT firm and now wishes to go into business for himself, offering IT solutions to businesses.Initially, Thapelo intended to go into the business as a single entrepreneur. However, he anticipates that his brother Kago will join him in the business when he completes his schooling in a year’s time. As Kago will have no money to buy into the business, Thapelo is interested in a corporate form that will allow Kago to borrow money from the business entity for the purpose of acquiring an interest in it. Thapelo also wishes that the business entity should be one capable of continuing in existence in the event that either he or Kago leave it.Thapelo is also concerned that he shall not be able to meet the rigorous statutory management and accounting requirements facing a business entity subsequent to incorporation. Since he will eventually be in business with his sibling, Thapelo would prefer an informal arrangement that will allow him and Kago to spend more time working and building the business and less time in management meetings. Thapelo comes to you for advice on the best corporate form for his enterprise.Required:

(a) Advise Thapelo regarding the distinguishing characteristics of the corporate form most suited to his proposed business undertaking. (6 marks)
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